Electronic Brake Control Module: Service and Repair

ABS Control Module and Hydraulic Control Unit (ABSCM&H/U)





A: REMOVAL
1. Disconnect ground cable from battery.
2. Remove air intake duct from engine compartment to facilitate removal of ABSCM&H/U.
3. Use an air-gun to get rid of water around the ABSCM&H/U.

CAUTION: The contact will be insufficient if the terminal gets wet.





4. Pull on the lock of the ABSCM&H/U connector to remove it.
5. Disconnect connector from ABSCM&H/U.

CAUTION: Be careful not to let water or other foreign matter contact the ABSCM&H/U terminal.

6. Unlock cable clip.
7. Disconnect brake pipes from ABSCM&H/U.

CAUTION: Wrap brake pipes with vinyl bag to avoid spilling brake fluid on vehicle body.

8. Remove ABSCM&H/U from engine compartment.





CAUTION:
- ABSCM&H/U cannot be disassembled. Do not attempt to loosen bolts and nuts.
- Do not drop or bump ABSCM&H/U.
- Do not turn the ABSCM&H/U upside down or place it on its side.
- Be careful to prevent foreign particles from getting into ABSCM&H/U.
- Apply a coat of rust-preventive wax (Nippeco LT or GB) to bracket attaching bolt after tightening.
- Do not pull harness disconnecting harness connector.

B: INSPECTION
1. Check connected and fixed condition of connector.





2. Check specifications of the mark with ABSCM&H/U.